Detects moisture up to a depth of 4 cm, even through ceramic tiles. Large measuring area with eight spring-loaded electrodes. Specially calibrated to give moisture % measurements according to four selection ranges. Supplied with two LR6 batteries and protective cover. Dimensions: 150 x 90 x 33 mm Weight: 230 g. VI-D4: 4 DTU 53.12 measuring scales: 1. Concrete (Carbide method): 0-6% - beep at 4.5%. 2. Anhydrite screed (Carbide method): 0-4% - beep at 0.5% 3. Gypsum treatment (Carbide method): 0-10% - beep at 5% 4. Relative scale: 0-100% VI-D4 i : 7 measuring scales (without beep, without interpretation) 1. Concrete (0-6% H2O) 2. Cement screed (0-6% H2O) 3. Cement screed CM carbide method (0-4% CM) 4. Anhydrite screed (0-3.5% H2O) 5. Anhydrite screed (0-1.9% CM) 6. Scale 15.3 (0.3-15.3 m) 7. Relative scale (0-100%)